option (ENABLE_LDAP "Enable LDAP" ${ENABLE_LIBRARIES})

if (NOT ENABLE_LDAP)
    message(STATUS "Not using ldap")
    return()
endif()

string (TOLOWER "${CMAKE_SYSTEM_NAME}" _system_name)
string (TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" _system_processor)
if (
    "${_system_processor}" STREQUAL "amd64" OR
    "${_system_processor}" STREQUAL "x64"
)
    set (_system_processor "x86_64")
elseif ("${_system_processor}" STREQUAL "arm64")
    set (_system_processor "aarch64")
endif ()
if (NOT(
    ( "${_system_name}" STREQUAL "linux"   AND "${_system_processor}" STREQUAL "x86_64"  ) OR
    ( "${_system_name}" STREQUAL "linux"   AND "${_system_processor}" STREQUAL "aarch64" ) OR
    ( "${_system_name}" STREQUAL "linux"   AND "${_system_processor}" STREQUAL "ppc64le" ) OR
    ( "${_system_name}" STREQUAL "linux"   AND "${_system_processor}" STREQUAL "s390x"   ) OR
    ( "${_system_name}" STREQUAL "freebsd" AND "${_system_processor}" STREQUAL "x86_64"  ) OR
    ( "${_system_name}" STREQUAL "freebsd" AND "${_system_processor}" STREQUAL "aarch64" ) OR
    ( "${_system_name}" STREQUAL "darwin"  AND "${_system_processor}" STREQUAL "x86_64"  ) OR
    ( "${_system_name}" STREQUAL "darwin"  AND "${_system_processor}" STREQUAL "aarch64"   )
))
    message (${RECONFIGURE_MESSAGE_LEVEL} "LDAP support using the bundled library is not implemented for ${CMAKE_SYSTEM_NAME} ${CMAKE_SYSTEM_PROCESSOR} platform.")
endif ()

set(OPENLDAP_SOURCE_DIR "${ClickHouse_SOURCE_DIR}/contrib/openldap")

# How these lists were generated?
# I compiled the original OpenLDAP with it's original build system and copied the list of source files from build commands.

set(OPENLDAP_VERSION_STRING "2.5.X")

macro(mkversion _lib_name)
    add_custom_command(
        OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${_lib_name}-version.c"
        COMMAND ${CMAKE_COMMAND} -E env bash -c "${OPENLDAP_SOURCE_DIR}/build/mkversion -v '${OPENLDAP_VERSION_STRING}' liblber.la > \"${CMAKE_CURRENT_BINARY_DIR}/${_lib_name}-version.c\""
        MAIN_DEPENDENCY "${OPENLDAP_SOURCE_DIR}/build/mkversion"
        WORKING_DIRECTORY ${OPENLDAP_SOURCE_DIR}
        VERBATIM
    )
endmacro()

string(TOLOWER "${CMAKE_SYSTEM_NAME}" _system_name)
string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" _system_processor)

if(
    "${_system_processor}" STREQUAL "amd64" OR
    "${_system_processor}" STREQUAL "x64"
)
    set(_system_processor "x86_64")
elseif(
    "${_system_processor}" STREQUAL "arm64"
)
    set (_system_processor "aarch64")
endif()

set(_extra_build_dir "${CMAKE_CURRENT_SOURCE_DIR}/${_system_name}_${_system_processor}")

set(_lber_srcs
    "${OPENLDAP_SOURCE_DIR}/libraries/liblber/assert.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/liblber/decode.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/liblber/encode.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/liblber/io.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/liblber/bprint.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/liblber/debug.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/liblber/memory.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/liblber/options.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/liblber/sockbuf.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/liblber/stdio.c"
)

mkversion(lber)

add_library(_lber
    ${_lber_srcs}
    "${CMAKE_CURRENT_BINARY_DIR}/lber-version.c"
)

target_link_libraries(_lber
    PRIVATE OpenSSL::Crypto OpenSSL::SSL
)

target_include_directories(_lber SYSTEM
    PUBLIC ${_extra_build_dir}/include
    PUBLIC "${OPENLDAP_SOURCE_DIR}/include"
    PRIVATE "${OPENLDAP_SOURCE_DIR}/libraries/liblber"
)

target_compile_definitions(_lber
    PRIVATE LBER_LIBRARY
)

set(_ldap_srcs
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/abandon.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/add.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/addentry.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/assertion.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/avl.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/bind.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/cancel.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/charray.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/compare.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/controls.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/cyrus.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/dds.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/delete.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/deref.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/dnssrv.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/error.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/extended.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/fetch.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/filter.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/free.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/getattr.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/getdn.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/getentry.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/getvalues.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/init.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/lbase64.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/ldap_sync.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/ldif.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/ldifutil.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/messages.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/modify.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/modrdn.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/msctrl.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/open.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/options.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/os-ip.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/os-local.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/pagectrl.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/passwd.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/ppolicy.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/print.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/psearchctrl.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/rdwr.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/references.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/request.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/result.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/rq.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/sasl.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/sbind.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/schema.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/search.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/sort.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/sortctrl.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/stctrl.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/string.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/tavl.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/thr_debug.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/thr_nt.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/thr_posix.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/thr_pth.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/thr_thr.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/threads.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/tls2.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/tls_g.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/tls_o.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/tpool.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/turn.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/txn.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/unbind.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/url.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/utf-8-conv.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/utf-8.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/util-int.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/vc.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/vlvctrl.c"
    "${OPENLDAP_SOURCE_DIR}/libraries/libldap/whoami.c"
)

mkversion(ldap)

add_library(_ldap
    ${_ldap_srcs}
    "${CMAKE_CURRENT_BINARY_DIR}/ldap-version.c"
)

target_link_libraries(_ldap
    PRIVATE _lber
    PRIVATE OpenSSL::Crypto OpenSSL::SSL
)

target_include_directories(_ldap SYSTEM
    PUBLIC ${_extra_build_dir}/include
    PUBLIC "${OPENLDAP_SOURCE_DIR}/include"
    PRIVATE "${OPENLDAP_SOURCE_DIR}/libraries/libldap"
)

target_compile_definitions(_ldap
    PRIVATE LDAP_LIBRARY
)

add_library(ch_contrib::ldap ALIAS _ldap)
add_library(ch_contrib::lber ALIAS _lber)
